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WO2004049032A1 - Enregistrement au moyen d'un casque d'images video stereo tridimensionnelles - Google Patents

Enregistrement au moyen d'un casque d'images video stereo tridimensionnelles Download PDF

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Publication number
WO2004049032A1
WO2004049032A1 PCT/US2003/032101 US0332101W WO2004049032A1 WO 2004049032 A1 WO2004049032 A1 WO 2004049032A1 US 0332101 W US0332101 W US 0332101W WO 2004049032 A1 WO2004049032 A1 WO 2004049032A1
Authority
WO
WIPO (PCT)
Prior art keywords
head
video camera
sight
line
optically magnifying
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2003/032101
Other languages
English (en)
Inventor
Richard J. Radna
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AU2003285865A priority Critical patent/AU2003285865A1/en
Publication of WO2004049032A1 publication Critical patent/WO2004049032A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/12—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification
    • G02B23/125—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification head-mounted
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/20—Image signal generators
    • H04N13/204—Image signal generators using stereoscopic image cameras
    • H04N13/239—Image signal generators using stereoscopic image cameras using two 2D image sensors having a relative position equal to or related to the interocular distance

Definitions

  • the present invention relates in general to head-mountable assemblies.
  • the present invention relates to head-mount recording of three-dimensional
  • surgical telescopes or surgical loupes
  • surgical loupes by a surgeon in performing a surgical procedure.
  • the surgeon uses the microscope and/or the telescope, during the
  • the microscope also allows the surgeon to video record, in two-dimensions (2D) or three-dimensions (3D), the
  • the head-mounted surgical telescopes unlike the microscope, is mounted on a
  • head-mounted structure which is mounted on the head of the surgeon, while the surgeon
  • telescopes are in general micro-surgical use, and provide excellent visualization with the use of high-power xenon headlights.
  • the head-mounted structure is attached to only a
  • FIG. 1 is a front view of an embodiment of a head-mounted assembly
  • FIG. la is a pivot mechanism of an attachment structure of the embodiment of
  • FIG. 1 A first figure.
  • FIG. 2 is top view of the embodiment of FIG. 1 ;
  • FIG. 3 is a side view of the embodiment of FIG. 1;
  • FIG. 3a is a connecting structure between a forward and rearward portion of the embodiment of FIG. 1;
  • FIG. 4 is a side view taken along line IN-IN of FIG. 2;
  • FIG. 5a is a protective cover in accordance with the embodiment of FIG. 1;
  • FIG. 5b is a cross-sectional top view of a portion of a viewing assembly of the
  • FIG. 6 is a perspective view of a viewing assembly of the embodiment of FIG. 1
  • FIG. 7 is a block diagram of an embodiment of a head-mounted assembly coupled
  • a display device arid/or a recording device to display and/or record, respectively, a
  • head-mount video recording of a surgical procedure is limited to only two-dimensional images, and not the more realistic three-dimensional images, for
  • the line of sight of the surgeon is different than the line of sight of the known mono video camera mounted on the surgeon's head.
  • One embodiment of the present invention for example, remedies a major deficit
  • the embodiment may include two stereo video cameras mounted on the surgeon's two optical telescopes, in
  • stereo video cameras may be mounted, for example, as low as possible on top of the
  • the embodiment may provide a 3D stereo
  • surgical video system which may be co-axial (e.g., at least substantially co-axial) to the
  • Video viewing, for example, of a surgical procedure may be used for real time
  • a video camera captures a two-dimensional image of such a surgical procedure, because it has a single line of sight (or viewpoint). A surgeon, however, sees a stereo image of such
  • embodiment of the present invention provides three dimensional images, for example, of
  • video viewing and/or recording of the surgical procedure may be at a different time
  • video viewing and/or recording of the surgical procedure may provide a more realistic
  • One embodiment of a method is provided for recording a surgical procedure.
  • first telescope see, for example, FIG. 5b
  • a user e.g., a surgeon
  • the first telescope and the second telescope may be secured to a head-mounted structure
  • the first video signal may be produced using a first (video) camera, and the
  • second video signal may be produced using a second (video) camera.
  • the first video camera may be positioned internally of the first telescope, and the second video camera may be positioned internally of the second telescope.
  • the first video camera may be attached to the first telescope, and may be
  • the second video camera may also be attached
  • the second telescope may be positioned externally of the second telescope.
  • the first video signal may be produced using a first beam splitter
  • the second video signal may be produced using a second beam splitter.
  • the second beam splitter may be positioned internally of the first telescope, and the second beam splitter
  • the method may include any type of commercially available head-mountable
  • telescopes e.g., surgical telescopes/loupes
  • video cameras e.g., video cameras
  • beam splitters e.g., laser beam splitters
  • FIG. 1 illustrates an embodiment of a head-mounted assembly 100.
  • mounted assembly 100 includes a head-mounted structure 1 , a first housing structure 153
  • the head-to-distance relationship 120 and a second (stereo) video camera structure 120.
  • the head-to-distance relationship 120 and a second (stereo) video camera structure 120.
  • mounted assembly 100 may be used, among others, for microsurgery, dentistry, ophthalmology, and pathology, as well as general surgery applications.
  • the head-mounted structure 1 (e.g., headband or spectacle frame) is constructed
  • the first optically magnifying structure 110 e.g., a first
  • assembly 100 may be positioned in front of the eyes of the user during work. The user
  • the head-mounted structure 1 may be used during a surgical procedure.
  • the first housing structure 153 may include a first telescope
  • the second housing structure 153 may include a second telescope
  • first video camera structure 120 may be positioned at the first video camera structure 120 .
  • structure 120 may also be positioned externally and/or internally of the second housing
  • stereo video camera structure e.g., a "lipstick” video
  • DXC-LSl for example, provides a compact camera, and a separate camera control unit, where the camera control unit allows access to the functions of the video camera.
  • the first video camera structure 120 and/or the second video camera structure 120 may also be referred to as a compact camera, and a separate camera control unit, where the camera control unit allows access to the functions of the video camera.
  • the first video camera structure 120 and/or the second video camera structure 120 may also be referred to the first video camera structure 120 and/or the second video camera structure 120.
  • the first housing structure 153 and the second housing structure 153 are secured
  • one of the first housing structure 153 and the second housing structure 153 can be any of the first housing structure 153 and the second housing structure 153 .
  • the housing structure 153 to allow adjustment of the pupil distance of the user.
  • coupling structure 11 may include a pivot structure, where one of the first housing
  • first housing structure 153 and the second housing structure 153 may be coupled to
  • the coupling structure 11 such that, for example, the first housing structure 153 and the
  • second housing structure 153 are permanently fixed in position with respect to each other.
  • the first video camera structure 120 may be focused based on a first line of sight
  • a second line of sight e.g., a focal point of the first line of
  • the first eye of the user may include one of the right eye and the left eye of
  • FIG. 1 illustrates the user's right eye as being the user's first eye, and the user's left eye as being the user's second eye.
  • the head-mounted assembly 100 may include an illuminating structure (e.g., any
  • FIG. 7 to be coupled to the coupling structure 11, and to illuminate an area containing a focal point of at least one of the first
  • the head-mounted assembly 100 may include a focus adjusting
  • the second video camera structure 120 may be focused (e.g., mechanically
  • magnifying structure 110 are focused, for example, using the focus adjusting structure.
  • the focus adjusting structure may also focus jointly (i) the first optically magnifying
  • the head-mounted assembly 100 may include a second focus adjusting
  • the user may adjust the second focus adjusting structure in order to correct
  • a second adjustment knob at an objective end of the shaft for focusing an individual one of the telescopes, to provide a correction or compensation for defective vision of the user
  • the head-mounted assembly 100 may include a first focus adjusting
  • FIG. 7 illustrates a block diagram of the embodiment of FIG. 1 coupled to a
  • a three dimensional stereo video image e.g., a three dimensional
  • the display structure 181 may include a conventional display device (e.g., a monitor, or a flat panel display as disclosed in U.S. Pat. No. 6,300,986 Bl to Travis), and
  • the recording structure 182 may include a conventional recorder (e.g., a video cassette recorder (“VCR”)).
  • VCR video cassette recorder
  • the display structure 181 and/or the recording structure 182 may be coupled to a
  • a stereo processor depends on image pairs such as, for
  • the first video signal and the second video signal each produced at (slightly)
  • Any commercially available stereoscopic view/record/playback system e.g.,
  • Stereo3DTM Video System from StereoGraphics may be used to capture and display three
  • Such a system may be used to record and transmit
  • a user may view the resulting video through the use of any commercially available eyewear such as,
  • stereoscopic eyewear e.g., CrystalEyes® active eyewear from StereoGraphics
  • projection ZScreen® from StereoGraphics with plastic or paper polarized eyewear.
  • the display structure 181 may be (directly or indirectly) coupled to the first
  • structure 182 may be (directly or indirectly) coupled to the first video camera structure
  • the video image may include a three
  • the display structure 181 and/or the recording structure 182 may be coupled,
  • the second video camera structure 120 e.g., StereoGraphics CAM-3
  • the communications link may also be a direct land line, and/or a radio
  • communications link such as a microwave link, satellite link, or the like.
  • the head-mountable structure 1 may include any type of known
  • headgear e.g., any commercially available spectacle mount and/or headband mount, for example, by Keeler, Carl-Zeiss-Lite, etc.
  • headgear e.g., any commercially available spectacle mount and/or headband mount, for example, by Keeler, Carl-Zeiss-Lite, etc.
  • the headgear with a holding device for a illuminating unit or a viewing unit.
  • the frontal band 2 may include a frontal band 2 and a headband 3, mounted on the head of the user.
  • the headband 3 may include a frontal band 2 and a headband 3, mounted on the head of the user.
  • frontal band 2 and/or the headband 3 may be made of a flexible hard plastic material that
  • the frontal band 2 may include a widening 4 at its forward
  • a viewing assembly 6 e.g., a binocular
  • the viewing assembly 6 may be a well-known prism
  • the viewing assembly 6 includes the first optically magnifying structure 110 and the second optically magnifying structure 1 10.
  • FIG. 5b is a diagrammatic representation of the first optically magnifying structure 110 and the second optically magnifying structure 1 10.
  • housing structure 153 e.g., tube structure
  • magnifying structure 110 which may include an objective 130, a reflective prism 131,
  • the holding structure 5 may include a stable base body 24 on which a rotatable
  • bracket 9 may be mounted with an adjusting knob 7 and a clamping screw 8.
  • the bracket 9 may include a
  • the bracket 9 may be mounted so
  • the holding structure 5 for the optical viewing assembly 6 may be disposed on the bracket 9.
  • the viewing assembly 6 may include the coupling structure 11, where the coupling structure 11 may include a spherical-head extension (e.g., a spherical-head extension made of steel) that may be placed in a cavity formed in a corresponding manner
  • a spherical-head extension e.g., a spherical-head extension made of steel
  • the spherical-head extension 11 may be fixed in position by using a threaded bolt
  • the bolt 14 may also be loosened
  • viewing assembly 6 selected may be fixed by tightening the bolt 14 by using the fixing
  • the headband 3 may be in two parts, where each of headband parts 15, 16 may be
  • the headband parts 15, 16 may project into an adjusting receptacle 18.
  • the adjusting receptacle 18 The adjusting
  • receptacle 18 may open on the side for the insertion of the band ends of the headband
  • a slider 19 may be located on the upper central portion of the adjusting
  • the headband parts 15, 16 in the adjusting receptacle 18 may be loosened
  • the headband parts 15, 16 may be latchingly inserted into the adjusting receptacle 18 to adapt the headband to fit the user.
  • a padding 20, placed below the adjusting receptacle 18, may be provided for comfortable wearing of the headgear 1.
  • the frontal band 2 may include a carrier 21 that is elastically bendable on the
  • the carrier 21 may be located at the
  • carrier 21 maybe mounted on an adjusting receptacle 23 of the frontal band 2.
  • FIG. la illustrates the latching pivot mechanics of the holding device 5.
  • a steel pin 25 may include a quadratic cross section at the
  • a detent disc 26 may be arranged around the steel pin 25 on both sides
  • the detent positions may be fixed by a spring-biased pressure piece 27.
  • the force for changing from one detent position to the next may be set by rotating the
  • FIG. 2 illustrates the headgear 1 in plan view.
  • the frontal band 2 may include
  • headband 3 may be connected at their respective ends to the frontal band 2 by
  • the headband 3 may be lengthened by displacing the
  • the headband 3 may be
  • the holding device 5 may include the base body 24, the bracket 9, the adjusting knob 7, the clamping screw 8 and the fixing gear 13.
  • the holding device 5 may be mounted on the band widening 4 of the forward segment 34 of the frontal band.
  • forward segment 34 and the rearward segment 33 of the frontal band may be connected to
  • the adjusting receptacle 23 may be located on the rearward segment 33 of the
  • frontal band in the neck region of the user, where the frontal band 2 may be adapted to the
  • segment 33 may include two parts 30, 31 to allow such a length adaptation.
  • FIG. 3 illustrates a side elevation view of the headgear 1.
  • the headgear 1 may
  • the frontal band 2 may be guided slightly upwardly
  • the headgear 1 may be adapted so as to be straight above the ears of the
  • the rearward frontal-band segment 33 may be mounted to the connecting element
  • the rearward frontal-band segment 33 may be moved upwardly or downwardly in the
  • the adaptation of the length of the headband 3 and 0 the frontal band 2 may take place with the alignment of the frontal band 2 in the
  • FIG. 3a illustrates a construction of the connecting elements 17, 29 of the frontal band attachment.
  • Risers 58a, 58b may be formed on the ends of the forward frontal-band
  • s may engage into corresponding radial cutouts of an outer cover 35 of the connecting
  • An inner cover 36 maybe clipped into the outer cover 35 for fixing the outer
  • the inner cover 36 may include a long radially-shaped flange 36a at its free
  • the flange 36a may allow for the frontal-band segments 34, 31 not to slide out
  • FIG. 4 illustrates a cross section of a portion of the headgear 1, including the inner
  • the holding device 5 may be mounted on the first side of the first side of the first side of the first side of the first side of the first side of the first side of the first side of the first side of the first side of the first side of the first side of the first side of the first side of the first side of the first side of the first side of the first side of the first side of the first side of the first side of the first side of the first side of the first side of the first side of the first side of the holding device 5.
  • forward frontal-band segment 34 may include the base body 24.
  • the base body 24 may include the base body 24.
  • an inner body 44 for example, made of a light metal or plastic reinforced
  • the base body 24 may also include a thick hard-plastic casing 45.
  • the base body 24 may also include a thick hard-plastic casing 45.
  • the steel pin 25 may include a slot 43, in which the steel pin 25 as an extension of the clamping screw 8
  • the adjusting knob 7 (see FIG. 2) may be limited in the space therein for movement.
  • the adjusting knob 7 (see FIG. 2) may be limited in the space therein for movement.
  • the bracket 9 may be attached through a winding (not shown) to the steel pin 25.
  • the bracket 9 may be
  • the bracket 9 may be made of aluminum, and may include a slot therethrough, in which the steel pin 25 on ' the clamping screw 8 may extend.
  • the adjusting knob 7 and the clamping screw 8 effect a clamping force. Such a clamping force may be reduced, through the adjusting knob 7, to displace the bracket 9
  • bracket 9 position of the bracket 9 relative to the base body 24 may be fixed by turning (or
  • the vertical displacement may be limited by the
  • the fixing gear 13 may be disposed in the lower region 12 of the bracket 9,
  • the padding 28 may be mounted on the forward end, and may be made of foam
  • the padding 28 may include a slide-resistant casing 40 around an inner
  • FIGS. 5b and 6 illustrate a protective cap 53 made, for example, of plastic.
  • protective cap 53 may include a video camera attaching structure 154 to attach the video
  • camera attaching structure 154 may be molded, welded, and/or bolted to the protective
  • the protective cap 53 may be pushed onto the (telescope-like) viewing assembly
  • protective cap 53 may be of a tubular shape, and may include a cutout 54 in the region of
  • the protective cap 53 allows the user to
  • protective cap 53 allows the video camera structure 120 to be positioned externally of the
  • the video camera 120 may
  • FIG. 5b illustrates a line of sight 133, as viewed, through the optically magnifying
  • FIG. 6 illustrates the video camera structure 120, externally attached to the housing structure 153 of the viewing
  • the housing structure 153 may also be internally attached (not shown) to the housing structure 153 to be focused
  • a beam splitter e.g., a conventional beam
  • splitter assembly internally attached to the housing structure 153, may be used to splitter
  • optically magnifying structure 110 of the viewing assembly 6, by an eye of the user is optically magnifying
  • the beam splitter may split a beam into an object/scene beam and a reference
  • the object/scene beam may include the line of sight 133 as viewed by the eye of the user
  • the reference beam may include the (video) image corresponding to
  • a three dimensional stereo video image may be produced that corresponds to two dimensional images, produced, for example, to be coaxial (e.g., at least substantially coaxial) with the line of sight 133 of
  • the method produces a first video signal corresponding to a first
  • the method produces a second video signal corresponding to a second line of
  • the method then displays, through a display structure 181, a three dimensional
  • the first optically magnifying structure 110 and the second optically magnifying structure 110 are identical to the first optically magnifying structure 110 and the second optically magnifying structure 110.
  • head-mountable structure 1 e.g., any commercially available headgear
  • a coupling structure 11 e.g., a pivot
  • the second optically magnifying structure 110 can be moved with respect to the other one
  • the method may record, through a recording structure 182, the three
  • the method may focus, through a focus adjusting structure (see FIG. 7) secured to the head-mounted structure 1, at least one of the first optically magnifying structure 110
  • the method may focus jointly, through a first focus adjusting structure (see FIG. 7) secured to the head-mounted
  • the method may focus, through a second focus
  • the first video signal corresponding to (a focal point of) the first line of sight, as
  • viewed, through the first optically magnifying structure 110, by the first eye of the user may be produced using, in part or in whole, a first video camera structure 120 and/or a
  • the second video (e.g., a conventional beam splitter) (see FIG. 7).
  • the first beam splitter e.g., a conventional beam splitter
  • the method may illuminate,
  • the second video signal displayed, through the display structure 181 may be of a surgical procedure, performed by the user.
  • embodiments of the present invention provide three dimensional images, for example, of a surgical procedure, as viewed by a surgeon, for video viewing and/or
  • the head-mounted assembly 100 may be "locked-on" to the surgeon's visual field to the surgical site such that the surgeon may freely gaze at any part of the surgical
  • surgeon's visual field may still be captured for video viewing and/or
  • the surgical procedure may also be at a different time and/or location than the place where
  • the surgical procedure is to be performed. Furthermore, the video viewing and/or
  • embodiments provide a more realistic portrayal of a surgical procedure, compared to known approaches, for operating room staff and/or as a teaching aid or documentation reference.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Astronomy & Astrophysics (AREA)

Abstract

L'invention concerne un ensemble casque qui permet d'effectuer un enregistrement vidéo stéréo 3D simultané d'opérations chirurgicales. Cet ensemble casque présente un système vidéo stéréo 3D chirurgical qui peut être coaxial à la trajectoire de vision optique des jumelles d'un chirurgien. Cet ensemble casque comprend une structure de casque, un premier et un deuxième télescope, et une première et une deuxième caméra vidéo. La structure de casque est montée sur la tête de l'utilisateur. Le premier et le deuxième télescope et la première et la deuxième caméra vidéo sont fixés sur la structure de casque. La première caméra vidéo est positionnée par rapport à une première ligne de vue, telle que visualisée, à travers le premier télescope, par un oeil de l'utilisateur. La deuxième caméra vidéo est positionnée par rapport à une deuxième ligne de vue, telle que visualisée, à travers le deuxième télescope, par l'autre oeil de l'utilisateur.
PCT/US2003/032101 2002-10-10 2003-10-09 Enregistrement au moyen d'un casque d'images video stereo tridimensionnelles Ceased WO2004049032A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003285865A AU2003285865A1 (en) 2002-10-10 2003-10-09 Head-mount recording of three-dimensinoal stereo video images

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/268,071 2002-10-10
US10/268,071 US20040070823A1 (en) 2002-10-10 2002-10-10 Head-mount recording of three-dimensional stereo video images

Publications (1)

Publication Number Publication Date
WO2004049032A1 true WO2004049032A1 (fr) 2004-06-10

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PCT/US2003/032101 Ceased WO2004049032A1 (fr) 2002-10-10 2003-10-09 Enregistrement au moyen d'un casque d'images video stereo tridimensionnelles

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Country Link
US (1) US20040070823A1 (fr)
AU (1) AU2003285865A1 (fr)
WO (1) WO2004049032A1 (fr)

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